122 lines
3.1 KiB
Plaintext
122 lines
3.1 KiB
Plaintext
@using MP.Prog.Data
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@using System.Text
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@using DiffMatchPatch
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<div class="row">
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<div class="col-6">
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<h4 class="text-success">Archiviato</h4>
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<div class="border border-success p-2">
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@((MarkupString)oldResult)
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</div>
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</div>
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<div class="col-6">
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<div class="row">
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<div class="col-4 text-danger">
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<h4>Attuale</h4>
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</div>
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<div class="col-8 text-right">
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<span class="border border-danger table-danger px-2"><b>@numChanges</b> modifiche</span>
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</div>
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</div>
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<div class="border border-danger p-2">
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<p>@((MarkupString)newResult)"></p>
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</div>
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</div>
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</div>
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@code {
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string sepDest = "<br />";
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protected string oldResult = "";
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protected string newResult = "";
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protected string _oldText = "";
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protected string _newText = "";
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protected int numChanges = 0;
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[Parameter]
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public string oldText
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{
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get
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{
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return _oldText;
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}
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set
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{
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_oldText = value;
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ReloadData();
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}
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}
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protected string oldTextFix
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{
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get
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{
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return _oldText.Replace(Environment.NewLine, sepDest).Replace("\n", sepDest).Replace("\r", sepDest);
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}
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}
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protected string newTextFix
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{
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get
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{
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return _newText.Replace(Environment.NewLine, sepDest).Replace("\n", sepDest).Replace("\r", sepDest);
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}
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}
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[Parameter]
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public string newText
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{
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get
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{
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return _newText;
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}
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set
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{
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_newText = value;
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ReloadData();
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}
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}
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protected void ReloadData()
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{
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numChanges = 0;
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// calcolo diff
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diff_match_patch dmp = new diff_match_patch();
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List<Diff> diff = dmp.diff_main(oldTextFix, newTextFix);
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dmp.diff_cleanupSemantic(diff);
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// predispongo la stringa secondo l'elenco dei diff....
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StringBuilder sbNew = new StringBuilder();
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StringBuilder sbOld = new StringBuilder();
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foreach (var item in diff)
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{
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switch (item.operation)
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{
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case Operation.DELETE:
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sbOld.Append($"<span class=\"border border-success table-success\">{item.text}</span>");
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break;
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case Operation.INSERT:
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sbNew.Append($"<span class=\"border border-danger table-danger\">{item.text}</span>");
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numChanges++;
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break;
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case Operation.EQUAL:
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sbNew.Append($"<span class=\"text-dark\">{item.text}</span>");
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sbOld.Append($"<span class=\"text-dark\">{item.text}</span>");
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break;
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default:
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break;
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}
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}
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newResult = sbNew.ToString().Trim();
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oldResult = sbOld.ToString().Trim();
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}
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protected override Task OnInitializedAsync()
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{
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ReloadData();
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return base.OnInitializedAsync();
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}
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} |